Notify listeners about active picture profiles
Bug: 337330263
Test: atest ActivePictureUpdaterTest
Test: atest SurfaceControlPictureProfileTest
Flag: com.android.graphics.libgui.flags.apply_picture_profiles
Change-Id: If08b79faf3d3c4c07248ecd7385a75cfe5357726
diff --git a/services/surfaceflinger/ActivePictureUpdater.cpp b/services/surfaceflinger/ActivePictureUpdater.cpp
new file mode 100644
index 0000000..210e948
--- /dev/null
+++ b/services/surfaceflinger/ActivePictureUpdater.cpp
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ActivePictureUpdater.h"
+
+#include <algorithm>
+
+#include "Layer.h"
+#include "LayerFE.h"
+
+namespace android {
+
+void ActivePictureUpdater::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
+ const CompositionResult& result) {
+ if (result.wasPictureProfileCommitted) {
+ gui::ActivePicture picture;
+ picture.layerId = int32_t(layer.sequence);
+ picture.ownerUid = int32_t(layer.getOwnerUid());
+ // TODO(b/337330263): Why does LayerFE coming from SF have a null composition state?
+ if (layerFE.getCompositionState()) {
+ picture.pictureProfileId = layerFE.getCompositionState()->pictureProfileHandle.getId();
+ } else {
+ picture.pictureProfileId = result.pictureProfileHandle.getId();
+ }
+ mNewActivePictures.push_back(picture);
+ }
+}
+
+bool ActivePictureUpdater::updateAndHasChanged() {
+ bool hasChanged = true;
+ if (mNewActivePictures.size() == mOldActivePictures.size()) {
+ auto compare = [](const gui::ActivePicture& lhs, const gui::ActivePicture& rhs) -> int {
+ if (lhs.layerId == rhs.layerId) {
+ return lhs.pictureProfileId < rhs.pictureProfileId;
+ }
+ return lhs.layerId < rhs.layerId;
+ };
+ std::sort(mNewActivePictures.begin(), mNewActivePictures.end(), compare);
+ if (std::equal(mNewActivePictures.begin(), mNewActivePictures.end(),
+ mOldActivePictures.begin())) {
+ hasChanged = false;
+ }
+ }
+ std::swap(mOldActivePictures, mNewActivePictures);
+ mNewActivePictures.resize(0);
+ return hasChanged;
+}
+
+const std::vector<gui::ActivePicture>& ActivePictureUpdater::getActivePictures() const {
+ return mOldActivePictures;
+}
+
+} // namespace android